<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no"/>
    <title></title>
    <script type="text/javascript">
        var userId;
        function setUserId(uid) {
            userId = uid;
            alert(userId);
        }
    </script>
</head>
<body>
<div>
</div>
</body>
</html>